Fix realtime_clock to not be monotonic
The realtime_clock::time_point was actually monotonic_clock::time_point.
While we are here, add an operator << for it now that it is different...
Change-Id: If4860406bb9b3b7fa3a2c4a7d3af514d9d900442
diff --git a/aos/time/time_test.cc b/aos/time/time_test.cc
index 80d273e..8edaf9b 100644
--- a/aos/time/time_test.cc
+++ b/aos/time/time_test.cc
@@ -114,6 +114,70 @@
EXPECT_EQ(s.str(), "-9223372036.854775808sec");
}
+// Test that << works with the epoch on the realtime clock.
+TEST(TimeTest, OperatorStreamRealtimeEpoch) {
+ const realtime_clock::time_point t = realtime_clock::epoch();
+
+ std::stringstream s;
+ s << t;
+
+ EXPECT_EQ(s.str(), "1970-01-01_00-00-00.000000000");
+}
+
+// Test that << works with positive time on the realtime clock.
+TEST(TimeTest, OperatorStreamRealtimePositive) {
+ const realtime_clock::time_point t =
+ realtime_clock::epoch() + std::chrono::hours(5 * 24) +
+ std::chrono::seconds(11) + std::chrono::milliseconds(5);
+
+ std::stringstream s;
+ s << t;
+
+ EXPECT_EQ(s.str(), "1970-01-06_00-00-11.005000000");
+}
+
+// Test that << works with negative time on the realtime clock.
+TEST(TimeTest, OperatorStreamRealtimeNegative) {
+ {
+ const realtime_clock::time_point t =
+ realtime_clock::epoch() - std::chrono::nanoseconds(1);
+
+ std::stringstream s;
+ s << t;
+
+ EXPECT_EQ(s.str(), "1969-12-31_23-59-59.999999999");
+ }
+ {
+ const realtime_clock::time_point t =
+ realtime_clock::epoch() - std::chrono::nanoseconds(999999999);
+
+ std::stringstream s;
+ s << t;
+
+ EXPECT_EQ(s.str(), "1969-12-31_23-59-59.000000001");
+ }
+ {
+ const realtime_clock::time_point t = realtime_clock::epoch() -
+ std::chrono::seconds(1) -
+ std::chrono::nanoseconds(999999999);
+
+ std::stringstream s;
+ s << t;
+
+ EXPECT_EQ(s.str(), "1969-12-31_23-59-58.000000001");
+ }
+ {
+ const realtime_clock::time_point t =
+ realtime_clock::epoch() - std::chrono::hours(5 * 24) +
+ std::chrono::seconds(11) - std::chrono::milliseconds(5);
+
+ std::stringstream s;
+ s << t;
+
+ EXPECT_EQ(s.str(), "1969-12-27_00-00-10.995000000");
+ }
+}
+
} // namespace testing
} // namespace time
} // namespace aos